Finding the Fourth Proportional to 212,757.17, 293,603.94 and 115,966.62
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Solution
The fourth proportional to 212,757.17, 293,603.94 and 115,966.62 is: 160,033.42
Step by Step Solution
- Step 1: Write the proportion equation
212,757.17 : 293,603.94 = 115,966.62 : x - Step 2: Convert to fraction form
212,757.17/293,603.94 = 115,966.62/x - Step 3: Cross multiply
212,757.17x = 293,603.94 × 115,966.62 - Step 4: Simplify right side
212,757.17x = 34,048,256,540.48 - Step 5: Solve for x
x = 34,048,256,540.48/212,757.17 - Step 6: Final answer
x = 160,033.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.